Alert archive / Georgia / Special Weather Statements in 2013

Special Weather Statement, NWS Atlanta, GA

August 19, 2013Laurens County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 19, 2013, 3:00 PM EDT for Laurens County, Georgia. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 19, 2013, 3:00 PM EDT (19:00 UTC)
Expired
Aug 19, 2013, 4:00 PM EDT
In force
60 min
Issued by
NWS Atlanta, GA

County Laurens County, GA

The radar

The Robins AFB radar (KJGX), 47 km from the middle of the area, began a volume at 19:03 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.0 hours before the alert went out and 178 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2013-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 418 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2013-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
418 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
481 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Atlanta, GA wrote its last area forecast discussion before this special weather statement went out at Aug 19, 2:31 PM EDT, 29 minutes earlier.

Area forecast discussion, Aug 19, 2:31 PM EDT, 29 minutes before
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Hazardous weather outlook, Aug 19, 5:29 AM EDT, 9 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
529 AM EDT MON AUG 19 2013

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-200930-
BALDWIN-BANKS-BARROW-BARTOW-BIBB-BLECKLEY-BUTTS-CARROLL-CATOOSA-
CHATTAHOOCHEE-CHATTOOGA-CHEROKEE-CLARKE-CLAYTON-COBB-COWETA-
CRAWFORD-CRISP-DADE-DAWSON-DEKALB-DODGE-DOOLY-DOUGLAS-EMANUEL-
FANNIN-FAYETTE-FLOYD-FORSYTH-GILMER-GLASCOCK-GORDON-GREENE-
GWINNETT-HALL-HANCOCK-HARALSON-HARRIS-HEARD-HENRY-HOUSTON-JACKSON-
JASPER-JEFFERSON-JOHNSON-JONES-LAMAR-LAURENS-LUMPKIN-MACON-
MADISON-MARION-MERIWETHER-MONROE-MONTGOMERY-MORGAN-MURRAY-
MUSCOGEE-NEWTON-NORTH FULTON-OCONEE-OGLETHORPE-PAULDING-PEACH-
PICKENS-PIKE-POLK-PULASKI-PUTNAM-ROCKDALE-SCHLEY-SOUTH FULTON-
SPALDING-STEWART-SUMTER-TALBOT-TALIAFERRO-TAYLOR-TELFAIR-TOOMBS-
TOWNS-TREUTLEN-TROUP-TWIGGS-UNION-UPSON-WALKER-WALTON-WARREN-
WASHINGTON-WEBSTER-WHEELER-WHITE-WHITFIELD-WILCOX-WILKES-
WILKINSON-
529 AM EDT MON AUG 19 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH AND CENTRAL GEORGIA.

.DAY ONE...TODAY AND TONIGHT...

WEATHER HAZARDS EXPECTED...
LOCALLY HEAVY RAIN IS EXPECTED WHICH MAY CAUSE SOME FLASH FLOODING.
ISOLATED TO SCATTERED THUNDERSTORMS COULD PRODUCE OCCASIONAL
LIGHTNING AND WIND GUSTS TO 40 MPH ACROSS PORTIONS OF NORTH AND
CENTRAL GEORGIA. ISOLATED STRONG STORMS CAN BE EXPECTED ALONG AND
SOUTH OF A CARROLLTON TO MACON LINE BUT NOT EXPECTING ANY SEVERE
STORMS THROUGH TONIGHT.

DISCUSSION...
A WEDGE OF HIGH PRESSURE IS WEAKENING ACROSS NORTH GEORGIA THIS
MORNING WITH A WARM FRONT MOVING NORTH ACROSS CENTRAL GEORGIA.
THIS FRONT IS EXPECTED TO CONTINUE MOVING NORTH THROUGH TONIGHT.
TROPICAL MOISTURE AND INSTABILITY WILL COMBINE TO PRODUCE ISOLATED
TO SCATTERED THUNDERSTORMS OVER NORTH AND CENTRAL GEORGIA. THE
MAIN CONCERN REMAINS FLOODING ACROSS MOST OF THE AREA...SEE THE
FLASH FLOOD WATCH /FFAFFC/ FOR MORE DETAILS...HOWEVER MODERATE
INSTABILITY AND SHEAR ACROSS PORTIONS OF WEST AND CENTRAL GEORGIA
WILL PROVIDE A CHANCE FOR ISOLATED STRONG STORMS THIS AFTERNOON
AND EARLY EVENING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

WEATHER HAZARDS EXPECTED...
HEAVY RAIN WITH LOCALIZED FLOODING AND RIVER FLOODING IS POSSIBLE.
OCCASIONAL LIGHTNING AND GUSTY WINDS WITH THE STRONGER STORMS ARE
POSSIBLE MAINLY ACROSS CENTRAL GEORGIA CLOSE TO THE NEARLY
STATIONARY FRONTAL BOUNDARY DURING THE AFTERNOON PERIODS THROUGH
THE END OF THE WEEK.

DISCUSSION...
A STATIONARY FRONT AND DEVELOPING UPPER LEVEL TROUGH WILL BECOME
THE FOCUS FOR A WET PERIOD AS DEEP TROPICAL MOISTURE MOVES OVER
THE AREA THROUGH THE END OF THE WEEK. CONDITIONS WILL CONTINUE TO
BE MONITORED CLOSELY FOR POTENTIAL FLOODING THROUGH THURSDAY. A
MORE DIURNALLY DRIVEN THUNDERSTORM PATTERN MAY RETURN BY THE END
OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT REQUESTED BUT SPOTTERS ARE ENCOURAGED
TO SUBMIT REPORTS OF SEVERE WEATHER OR FLOODING THROUGH THE WEB BY
GOING TO WEATHER.GOV/ATLANTA.

In the hours before

Local storm report, Aug 19, 2:11 PM EDT, 49 minutes before
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Local storm report, Aug 19, 2:15 PM EDT, 45 minutes before
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Special weather statement, Aug 19, 3:00 PM EDT, 0 minutes before
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The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 18, 8:02 PM EDTSpecial Weather StatementFFCGreene28 min
Aug 18, 8:08 PM EDTSpecial Weather StatementFFCDooly, Macon, Sumter52 min
Aug 18, 8:29 PM EDTSpecial Weather StatementFFCCarroll31 min
Aug 18, 8:47 PM EDTSpecial Weather StatementFFCGreene, Oglethorpe, Taliaferro, Warren, Wilkes58 min
Aug 18, 8:57 PM EDTSpecial Weather StatementFFCMontgomery, Toombs, Treutlen63 min
Aug 18, 9:27 PM EDTAreal Flood WarningFFCGlascock, Jefferson6 hr
Aug 18, 9:35 PM EDTSpecial Weather StatementFFCMarion, Schley, Sumter, Webster55 min
Aug 18, 9:48 PM EDTSpecial Weather StatementFFCButts, Jasper, Morgan, Putnam57 min
Aug 18, 10:06 PM EDTSpecial Weather StatementFFCCrawford, Taylor54 min
Aug 18, 10:19 PM EDTFlash Flood WarningFFCToombs6 hr
Aug 18, 10:36 PM EDTSpecial Weather StatementFFCClarke, Greene, Jasper, Madison, Morgan, Newton and 7 more54 min
Aug 18, 10:41 PM EDTSpecial Weather StatementFFCDodge, Telfair, Wheeler64 min
Aug 18, 11:33 PM EDTSpecial Weather StatementFFCClarke, Greene, Morgan, Oconee, Oglethorpe, Putnam and 2 more57 min
Aug 18, 11:46 PM EDTFlash Flood WarningFFCJasper, Putnam6 hr
Aug 19, 12:00 AM EDTSpecial Weather StatementFFCCoweta, DeKalb, Douglas, Fulton45 min
Aug 19, 12:46 AM EDTSpecial Weather StatementFFCCherokee, Cobb, Dawson, Forsyth, Fulton, Hall and 1 more59 min
Aug 19, 12:57 AM EDTSpecial Weather StatementFFCClarke, Madison, Oconee, Oglethorpe63 min
Aug 19, 3:40 AM EDTRiver Flood WarningFFCForsyth, Fulton42 hr
Aug 19, 4:38 AM EDTRiver Flood WarningFFCForsyth16 hr
Aug 19, 5:50 AM EDTRiver Flood WarningFFCForsyth54 min
Aug 19, 3:24 PM EDTSpecial Weather StatementFFCEmanuel36 min
Aug 19, 3:41 PM EDTSpecial Weather StatementFFCGlascock, Jefferson, Washington49 min
Aug 19, 4:04 PM EDTSpecial Weather StatementFFCWheeler41 min
Aug 19, 4:35 PM EDTSpecial Weather StatementFFCJefferson, Washington40 min
Aug 19, 4:41 PM EDTSpecial Weather StatementFFCWheeler49 min
Aug 19, 4:49 PM EDTSpecial Weather StatementFFCBleckley, Pulaski41 min
Aug 19, 5:02 PM EDTFlash Flood WarningFFCTelfair6 hr
Aug 19, 5:28 PM EDTFlash Flood WarningFFCBleckley6 hr
Aug 19, 5:35 PM EDTSpecial Weather StatementFFCTwiggs40 min
Aug 19, 6:18 PM EDTSpecial Weather StatementFFCTwiggs42 min
Aug 19, 6:23 PM EDTSpecial Weather StatementFFCToombs37 min

Nearby

Special Weather Statements in Georgia, 2013Every special weather statement in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.